Questions tagged [s5]

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Audi 2012 S5 starter problem

Reading some articles here, it sounds like my Audi PGM fi relay is faulty, car has intermittent starting problem. after driving for a while and leaving the car for an hour or so when I get back engine ...
5
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1answer
996 views

How to determine component causing overheating?

Car: 2008 Audi S5 4.2L Background: Fan has been working very hard for the last 3-4 months (albeit it was summer, but even on cooler nights it was on max), temperature on dash dial steady in the ...
3
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1answer
1k views

Can improper coolant concentration increase coolant temperature?

Car: Audi S5 4.2L Lately I've noticed my radiator fans (both of them) running like a jet engine quite frequently (but not always, the speed varies). My coolant temp. reads around 110C via OBDII after ...
4
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3answers
3k views

Why is my car hard to start only after a few hours?

Car: Audi S5 V8 FSI, Direct Injection I posted a question related to this but might not be the correct issue: Do injectors leak or injector seals leak? Background 2 months ago (1200 km) I performed ...
4
votes
1answer
971 views

Do injectors leak or injector seals leak?

Car: Audi S5 2008 I have a problem in my car where sometimes my car will be hard to start after driven for a while. Normally if I floor it close to where I stop the car, it's harder to start. When I ...
2
votes
2answers
405 views

Is it bad to continuously turn cruise control on and off?

My car is an Audi S5 which has the normal cruise control (non-adaptive) with auto braking (applies brakes when going downhill too fast). For some reason when engine braking the car uses around 4L/...
3
votes
1answer
1k views

Tell tale signs of a valve cover leak?

Car: 2008 Audi S5 4.2L I found an oil leak at the bottom of my car near the engine/trans, which lead me to believe the rear main seal. However, one mechanic told me it was the timing cover gasket, ...
5
votes
1answer
1k views

Ticking noise which gets faster at idle and slows after blipping

Car: Audi S5 2008 V8 4.2L Transmission: Manual Symptoms: There is a quiet (but noticable) ticking noise which can be heard from inside the cabin when the car starts. It starts of slow (maybe 10 ...